Home / 20,259.09-27,949.73-12,692.23

Finding the Fourth Proportional to 20,259.09, 27,949.73 and 12,692.23

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Solution

The fourth proportional to 20,259.09, 27,949.73 and 12,692.23 is: 17,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.09 : 27,949.73 = 12,692.23 : x
  2. Step 2: Convert to fraction form
    20,259.09/27,949.73 = 12,692.23/x
  3. Step 3: Cross multiply
    20,259.09x = 27,949.73 × 12,692.23
  4. Step 4: Simplify right side
    20,259.09x = 354,744,268.26
  5. Step 5: Solve for x
    x = 354,744,268.26/20,259.09
  6. Step 6: Final answer
    x = 17,510.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.